Buster Posey Twins Born: Giants Catcher Officially A Dad (VIDEO) Early Sunday morning, San Francisco Giants legendary catcher, Buster Posey, officially became a dad. Posey's wife and high school sweetheart, Kristen, delivered Lee Dempsey Posey (5 pounds, 12 ounces) at 1:52am, and Addison Lynn Posey (6 pounds, 3 ounces) two minutes later at 1:54am. (SCROLL DOWN FOR VIDEO)
Compound light microscopes are one of the most familiar of the different types of microscopes as they are most often found in science and biology classrooms. For this reason, simple models are readily available and are inexpensive.
Here we compare two basic types of microscopes-optical and electron microscopes. The electron microscope uses a beam of electrons and their wave-like characteristics to magnify an object's image, unlike the optical microscope that uses visible light to magnify images.